<template>
    <div class="level">
        <h1>医院</h1>
        <div class="content">
            <div class="left">等级:</div>
            <ul class="hospitalLevel">
                <li :class="{ active: activeFlag == '' }" @click="changeLevel('')">全部</li>
                <li v-for="level in levelArr" :key="level.value" :class="{ active: activeFlag == level.value }"
                    @click="changeLevel(level.value)">{{ level.name }}</li>
            </ul>
        </div>
    </div>
</template>

<script setup lang='ts' name="Level">
import { reqHospitalLevelAndRegion } from "@/api/home"
import { onMounted, ref } from "vue";
//定义一个数组存储医院等级数组
let levelArr = ref<any>([]);
//控制医院等级高亮响应式数据
let activeFlag = ref<string>('')
//组件挂载完毕
onMounted(() => {
    getLevel();
})
//获取医院等级的数据
const getLevel = async () => {
    const result = await reqHospitalLevelAndRegion('HosType')
    if (result.data.code === 200) {
        levelArr.value = result.data.data
    }
}
//点击等级的按钮回调
const changeLevel = (level: string) => {
    //高亮响应式数据存储level数值
    activeFlag.value = level
    //触发自定义事件：将医院等级的参数回传给父组件
    $emit('getLevel',level);   
}

let $emit = defineEmits(['getLevel'])
</script>

<style scoped lang="scss">
.level {
    color: #7f7f7f;

    h1 {
        font-weight: 900px;
        margin: 10px 0;
    }

    .content {
        display: flex;

        .left {
            margin-right: 10px;
        }

        .hospitalLevel {
            display: flex;

            li {
                margin-right: 10px;

                &.active {
                    color: #55a6fe;
                }
            }

            li:hover {
                color: #55a6fe;
                cursor: pointer;
            }
        }
    }
}
</style>